from flask import render_template, current_app, session, request, jsonify, make_response, g

from info import constants
from info.models import User, News, Category
from info.utils.common import user_login_data
from info.utils.response_code import RET
from . import index_blu
@index_blu.route("/news_list")
def index():
    cid=request.args.get("cid","1")
    page=request.args.get("page","1")
    per_page=request.args.get("per_page","10")

    try:
        cid=int(cid)
        page=int(page)
        per_page=int(per_page)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR,errmsg="canshu cuowu")

    filters=[News.status == 0]
    if cid !=1:
        filters.append(News.category_id==cid)
    try:
        paginate = News.query.filter(*filters).order_by(News.create_time.desc()).paginate(page,per_page,False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR,errmsg="shuju cuo wu")

    news_model_list =paginate.items
    total_page = paginate.pages
    current_page = paginate.page

    news_dict_li=[]
    for news in news_model_list:
        news_dict_li.append(news.to_basic_dict())
    data={
        "total_page":total_page,
        "current_page":current_page,
        "news_dict_li":news_dict_li
        }
    return jsonify(errno=RET.OK,errmsg="ok",data=data)




@index_blu.route('/')
@user_login_data
def index_():
    user=g.user
    new_list = []
    try:
        new_list=News.query.order_by(News.clicks.desc()).limit(constants.CLICK_RANK_MAX_NEWS)
    except Exception as e:
        current_app.logger.error(e)
        # return jsonify(errno=RET.PARAMERR,errmsg=" you wen ti")


    new_dict_li = []

    for news in new_list:
        new_dict_li.append(
            news.to_basic_dict()
        )

    categories=Category.query.all()
    category_li = []
    for category in categories:
        category_li.append(category.to_dict())



    data = {
        "user":user.to_dict() if user else None,
        "news_dict_li":new_dict_li,
        "category_li":category_li

        }
    return render_template('news/index.html',data=data)


# 在打开网页时 浏览器会默认去请求根路径 + fvicon.ico作网站标签的小图标
# send_static_file 是flask 去查找指定的静态文件所调用的方法
@index_blu.route('/favicon.ico')
def favicon():
    return current_app.send_static_file('news/favicon.ico')